497445769 has 2 divisors, whose sum is σ = 497445770. Its totient is φ = 497445768.

The previous prime is 497445763. The next prime is 497445799. The reversal of 497445769 is 967544794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479084544 + 18361225 = 21888^2 + 4285^2 .

It is a cyclic number.

It is not a de Polignac number, because 497445769 - 2¹¹ = 497443721 is a prime.

It is a super-2 number, since 2×497445769² = 494904586192002722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (497445763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248722884 + 248722885.

It is an arithmetic number, because the mean of its divisors is an integer number (248722885).

Almost surely, 2^497445769 is an apocalyptic number.

It is an amenable number.

497445769 is a deficient number, since it is larger than the sum of its proper divisors (1).

497445769 is an equidigital number, since it uses as much as digits as its factorization.

497445769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 55.

The square root of 497445769 is about 22303.4923050181. The cubic root of 497445769 is about 792.3466883589.

The spelling of 497445769 in words is "four hundred ninety-seven million, four hundred forty-five thousand, seven hundred sixty-nine".